Write a program that Print six digits with commas in C++

This program reads long integers from the keyboard and prints them with leading
zeros in the form 123,456 with a comma between the 3rd & 4th digit

Source Code:

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#include <iostream> #include <conio.h> #include <iomanip.h> using namespace std; // Prototype declarations void printWithComma (long num); int main () { cout << " Enter a number with upto 6 digits: "; long number; cin >> number; printWithComma (number); return 0; } // main /* ============= printWithComma ======================== This function divides num into two three digit numbers and prints them with a comma inserted Pre num is six-digit number Post num has been printed with a comma inserted */ void printWithComma (long num) { float thousands = num / 1000; float hundreds = num % 1000; cout << "\n The number you entered is \t"; cout << setw(3) << thousands <<" , "; cout << setfill('0'); cout << setw(3) << hundreds; getch (); return ; }// printWithComma

Result:

 Enter a number with upto 6 digits: 123456

 The number you entered is 123,456